I'm building a truck. For the transmission, I want to make it all even and symmetrical.
To do that I need the pieces to stay together but they have no studs connecting so they will just fall apart.
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I have seen the number quoted as > 650 billion. The quote is from a Danish mathematician, Soren Ehlers. Intuitively, this does not seem correct to me. Any mathematicians/statisticians out there who ...

Just finished putting Benny's Spaceship set together, and the Number printed on the side is "LL 929" which appears to be an increment from a much older set the Galaxy Explorer, which had "LL 928".
My ...

Sets 42010 and 42011 feature a pull-back motor. They have a very high torque for a very small numbers of turns, they then free-wheel.
I'm trying to find alternate usage for them. That is anything but ...

Is there a guide that has the number and kinds of pieces per set - for example 8 pieces of this and 14 pieces of that? I am trying to sort out a large container of multiple sets. I have thousands of ...

We have a fully-working java programme which can connect to another computer and can send messages from this(both sides run java and we used SPP Server and Client), however when trying to connect to ...

What percentage of a LEGO set's price goes toward research, design, manufacturing, marketing etc.
It's just my curiosity since all my minifigures (from Series 3) are made in China and I don't know if ...

Are there any elements that can be connected to the 'cavity' (i.e. the space) under a stud (e.g. on a regular plate or a regular brick)? The cavity measures about 2.4mm in diameter.
So far I've only ...

There are a number of sets (e.g., the Farnsworth House and the Parisian Restaurant) that use a field of 1x1 tiles to represent a tiled floor. I have found aligning these pieces such that they are all ...

I have bought myself the technic set 9393 Tractor. I really like the model and I want to dig deeper into the Lego technic universe. I am not focused in building pre-designed models (although I enjoy ...

Can I download ldraw instructions from Lego Digital Designer?
Is there a collection of simple examples for my youngsters.
I was thinking of: houses, small animals, simple airplane, simple car, tree, ...

I have an LDD model that I exported to an LDraw file. When I opened it in LDView, only part of it was displayed.
It looks like some parts were not exported properly. Is it normal? Why does it happen?
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So far for pregnancy I have tried a fetal carrier that I put on the minifig's back but this limits her movements. Specifically she can't bend too far in either direction and also she can't lay down ...

I've created an arm robot using Mindstrom NXT that can find an object pick it up and move it to an new and random location. My problem is that I would like for the motor to, at the end of the program, ...

I have a LEGO NXT robot, and after some movements I would like it to return back where it started. After some research, it looks like my best option is to revert the motors. To decode their movements ...

Using Mindstorms education 2.0 on a Windows 7 computer I can't seem to get the program to see the NXT via USB or bluetooth dongle.
When connected by USB nothing appears in the NXT window with device ...